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Northwest Africa 6916 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 6916 This is an OFFICIAL meteorite name. Abbreviation: NWA 6916 Observed fall: No Year found: 2011 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 569 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 29 Nov 2011 | ||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 100:
Northwest Africa 6916 (NWA 6916) Northwest Africa Purchased: Apr 2011 Classification: HED achondrite (Eucrite) Petrography: Large clasts of medium-grained, ophitic-textured eucrite within a matrix of recrystallized eucrite minerals (mostly exsolved pigeonite and calcic plagioclase) exhibiting polygonal grain boundaries. Geochemistry: Pigeonite host Fs58.7-58.8Wo6.0, FeO/MnO=31-34, augite exsolution lamellae Fs28.9-29.3Wo42.0-41.2, FeO/MnO=33-35. | ||||||||||||||||||||||||||||
Data from: MB100 Table 1 Line 1536: |
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Institutions and collections |
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012) SJS: Space Jewels Switzerland, 2555 Brügg, Switzerland (private address; updated 3 Jan 2010) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
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Geography: |
Statistics: This is 1 of 8890 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |